23011464 has 32 divisors (see below), whose sum is σ = 65747520. Its totient is φ = 6574656.

The previous prime is 23011463. The next prime is 23011481. The reversal of 23011464 is 46411032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23011464.

It is not an unprimeable number, because it can be changed into a prime (23011463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68319 + ... + 68654.

It is an arithmetic number, because the mean of its divisors is an integer number (2054610).

Almost surely, 2^23011464 is an apocalyptic number.

23011464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23011464 is an abundant number, since it is smaller than the sum of its proper divisors (42736056).

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

23011464 is a wasteful number, since it uses less digits than its factorization.

23011464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136989 (or 136985 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 23011464 is about 4797.0265790383. The cubic root of 23011464 is about 284.4339395444.

Adding to 23011464 its reverse (46411032), we get a palindrome (69422496).

The spelling of 23011464 in words is "twenty-three million, eleven thousand, four hundred sixty-four".