23033145630 has 64 divisors (see below), whose sum is σ = 60709824000. Its totient is φ = 5546305920.

The previous prime is 23033145617. The next prime is 23033145643. The reversal of 23033145630 is 3654133032.

It is an interprime number because it is at equal distance from previous prime (23033145617) and next prime (23033145643).

It is a super-2 number, since 2×23033145630² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185050 + ... + 283389.

It is an arithmetic number, because the mean of its divisors is an integer number (948591000).

Almost surely, 2^23033145630 is an apocalyptic number.

23033145630 is an abundant number, since it is smaller than the sum of its proper divisors (37676678370).

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

23033145630 is a wasteful number, since it uses less digits than its factorization.

23033145630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468609.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 23033145630 its reverse (3654133032), we get a palindrome (26687278662).

The spelling of 23033145630 in words is "twenty-three billion, thirty-three million, one hundred forty-five thousand, six hundred thirty".