2123463 has 8 divisors (see below), whose sum is σ = 2846448. Its totient is φ = 1408064.

The previous prime is 2123461. The next prime is 2123479. The reversal of 2123463 is 3643212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123463 - 2¹ = 2123461 is a prime.

It is a super-2 number, since 2×2123463² = 9018190224738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 2²¹ + 3⁷ + 4⁶ + 6³ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (355806).

2^2123463 is an apocalyptic number.

2123463 is a deficient number, since it is larger than the sum of its proper divisors (722985).

2123463 is a wasteful number, since it uses less digits than its factorization.

2123463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its digits is 864, while the sum is 21.

The square root of 2123463 is about 1457.2106916984. The cubic root of 2123463 is about 128.5330755092.

Adding to 2123463 its reverse (3643212), we get a palindrome (5766675).

The spelling of 2123463 in words is "two million, one hundred twenty-three thousand, four hundred sixty-three".