23002121040 has 80 divisors (see below), whose sum is σ = 71347808448. Its totient is φ = 6130352128.

The previous prime is 23002121033. The next prime is 23002121047. The reversal of 23002121040 is 4012120032.

It is an interprime number because it is at equal distance from previous prime (23002121033) and next prime (23002121047).

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002121047) by changing a digit.

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, 402064 + ... + 455696.

Almost surely, 2^23002121040 is an apocalyptic number.

23002121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23002121040 is an abundant number, since it is smaller than the sum of its proper divisors (48345687408).

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

23002121040 is a wasteful number, since it uses less digits than its factorization.

23002121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55436 (or 55430 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23002121040 its reverse (4012120032), we get a palindrome (27014241072).

The spelling of 23002121040 in words is "twenty-three billion, two million, one hundred twenty-one thousand, forty".