23432739 has 12 divisors (see below), whose sum is σ = 34342728. Its totient is φ = 14201440.

The previous prime is 23432737. The next prime is 23432741. The reversal of 23432739 is 93723432.

It is an interprime number because it is at equal distance from previous prime (23432737) and next prime (23432741).

It is not a de Polignac number, because 23432739 - 2¹ = 23432737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (23432737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31914 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (2861894).

Almost surely, 2^23432739 is an apocalyptic number.

23432739 is a deficient number, since it is larger than the sum of its proper divisors (10909989).

23432739 is a wasteful number, since it uses less digits than its factorization.

23432739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64578 (or 64567 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 23432739 is about 4840.7374438199. The cubic root of 23432739 is about 286.1591816034.

The spelling of 23432739 in words is "twenty-three million, four hundred thirty-two thousand, seven hundred thirty-nine".