23397693 has 32 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 13083840.

The previous prime is 23397677. The next prime is 23397733. The reversal of 23397693 is 39679332.

It is not a de Polignac number, because 23397693 - 2⁴ = 23397677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23397793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21480 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^23397693 is an apocalyptic number.

23397693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23397693 is a deficient number, since it is larger than the sum of its proper divisors (13374147).

23397693 is a wasteful number, since it uses less digits than its factorization.

23397693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its digits is 183708, while the sum is 42.

The square root of 23397693 is about 4837.1161863242. The cubic root of 23397693 is about 286.0164505510.

It can be divided in two parts, 23397 and 693, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 23397693 in words is "twenty-three million, three hundred ninety-seven thousand, six hundred ninety-three".