121623367 has 4 divisors (see below), whose sum is σ = 123684840. Its totient is φ = 119561896.

The previous prime is 121623319. The next prime is 121623371. The reversal of 121623367 is 763326121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763326121 = 19 ⋅40175059.

It is a cyclic number.

It is not a de Polignac number, because 121623367 - 2¹¹ = 121621319 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121623317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030648 + ... + 1030765.

It is an arithmetic number, because the mean of its divisors is an integer number (30921210).

Almost surely, 2^121623367 is an apocalyptic number.

121623367 is a deficient number, since it is larger than the sum of its proper divisors (2061473).

121623367 is an equidigital number, since it uses as much as digits as its factorization.

121623367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061472.

The product of its digits is 9072, while the sum is 31.

The square root of 121623367 is about 11028.2984634983. The cubic root of 121623367 is about 495.4566639051.

Adding to 121623367 its reverse (763326121), we get a palindrome (884949488).

The spelling of 121623367 in words is "one hundred twenty-one million, six hundred twenty-three thousand, three hundred sixty-seven".