23051040 has 48 divisors (see below), whose sum is σ = 72612288. Its totient is φ = 6146816.

The previous prime is 23051029. The next prime is 23051051. The reversal of 23051040 is 4015032.

It is an interprime number because it is at equal distance from previous prime (23051029) and next prime (23051051).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23532 + ... + 24491.

It is an arithmetic number, because the mean of its divisors is an integer number (1512756).

Almost surely, 2^23051040 is an apocalyptic number.

23051040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23051040 is an abundant number, since it is smaller than the sum of its proper divisors (49561248).

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

23051040 is a wasteful number, since it uses less digits than its factorization.

23051040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48041 (or 48033 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23051040 is about 4801.1498622726. The cubic root of 23051040 is about 284.5969062941.

Adding to 23051040 its reverse (4015032), we get a palindrome (27066072).

The spelling of 23051040 in words is "twenty-three million, fifty-one thousand, forty".