23321130 has 32 divisors (see below), whose sum is σ = 63967104. Its totient is φ = 5330496.

The previous prime is 23321119. The next prime is 23321141. The reversal of 23321130 is 3112332.

It is an interprime number because it is at equal distance from previous prime (23321119) and next prime (23321141).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55317 + ... + 55736.

It is an arithmetic number, because the mean of its divisors is an integer number (1998972).

Almost surely, 2^23321130 is an apocalyptic number.

23321130 is an abundant number, since it is smaller than the sum of its proper divisors (40645974).

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

23321130 is a wasteful number, since it uses less digits than its factorization.

23321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111070.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23321130 is about 4829.1955851881. The cubic root of 23321130 is about 285.7041376158.

Adding to 23321130 its reverse (3112332), we get a palindrome (26433462).

The spelling of 23321130 in words is "twenty-three million, three hundred twenty-one thousand, one hundred thirty".