121623463 has 4 divisors (see below), whose sum is σ = 130979128. Its totient is φ = 112267800.

The previous prime is 121623449. The next prime is 121623487. The reversal of 121623463 is 364326121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121623463 - 2⁵ = 121623431 is a prime.

It is a super-2 number, since 2×121623463² = 29584533504224738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121623443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4677813 + ... + 4677838.

It is an arithmetic number, because the mean of its divisors is an integer number (32744782).

Almost surely, 2^121623463 is an apocalyptic number.

121623463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121623463 is a deficient number, since it is larger than the sum of its proper divisors (9355665).

121623463 is an equidigital number, since it uses as much as digits as its factorization.

121623463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355664.

The product of its digits is 5184, while the sum is 28.

The square root of 121623463 is about 11028.3028159368. The cubic root of 121623463 is about 495.4567942633.

Adding to 121623463 its reverse (364326121), we get a palindrome (485949584).

It can be divided in two parts, 12162 and 3463, that added together give a 6-th power (15625 = 5⁶).

The spelling of 121623463 in words is "one hundred twenty-one million, six hundred twenty-three thousand, four hundred sixty-three".