23391402 has 16 divisors (see below), whose sum is σ = 47924352. Its totient is φ = 7606880.

The previous prime is 23391373. The next prime is 23391409. The reversal of 23391402 is 20419332.

It is not an unprimeable number, because it can be changed into a prime (23391409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47298 + ... + 47789.

It is an arithmetic number, because the mean of its divisors is an integer number (2995272).

Almost surely, 2^23391402 is an apocalyptic number.

23391402 is an abundant number, since it is smaller than the sum of its proper divisors (24532950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23391402 is a wasteful number, since it uses less digits than its factorization.

23391402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95133.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23391402 is about 4836.4658584549. The cubic root of 23391402 is about 285.9908142517.

It can be divided in two parts, 2339 and 1402, that added together give a triangular number (3741 = T₈₆).

The spelling of 23391402 in words is "twenty-three million, three hundred ninety-one thousand, four hundred two".