23421629 has 16 divisors (see below), whose sum is σ = 29993856. Its totient is φ = 17755200.

The previous prime is 23421617. The next prime is 23421641. The reversal of 23421629 is 92612432.

It is an interprime number because it is at equal distance from previous prime (23421617) and next prime (23421641).

It is a cyclic number.

It is not a de Polignac number, because 23421629 - 2²⁰ = 22373053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (1874616).

Almost surely, 2^23421629 is an apocalyptic number.

It is an amenable number.

23421629 is a deficient number, since it is larger than the sum of its proper divisors (6572227).

23421629 is a wasteful number, since it uses less digits than its factorization.

23421629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276.

The product of its digits is 5184, while the sum is 29.

The square root of 23421629 is about 4839.5897553408. The cubic root of 23421629 is about 286.1139495730.

The spelling of 23421629 in words is "twenty-three million, four hundred twenty-one thousand, six hundred twenty-nine".