23491064 has 8 divisors (see below), whose sum is σ = 44045760. Its totient is φ = 11745528.

The previous prime is 23491057. The next prime is 23491067. The reversal of 23491064 is 46019432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23491067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1468184 + ... + 1468199.

It is an arithmetic number, because the mean of its divisors is an integer number (5505720).

Almost surely, 2^23491064 is an apocalyptic number.

It is an amenable number.

23491064 is a deficient number, since it is larger than the sum of its proper divisors (20554696).

23491064 is a wasteful number, since it uses less digits than its factorization.

23491064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936389 (or 2936385 counting only the distinct ones).

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

The square root of 23491064 is about 4846.7580917558. The cubic root of 23491064 is about 286.3964053417.

The spelling of 23491064 in words is "twenty-three million, four hundred ninety-one thousand, sixty-four".