23220151010440 has 16 divisors (see below), whose sum is σ = 52245339773580. Its totient is φ = 9288060404160.

The previous prime is 23220151010437. The next prime is 23220151010443. The reversal of 23220151010440 is 4401015102232.

It is an interprime number because it is at equal distance from previous prime (23220151010437) and next prime (23220151010443).

It can be written as a sum of positive squares in 2 ways, for example, as 23214261061924 + 5889948516 = 4818118^2 + 76746^2 .

It is not an unprimeable number, because it can be changed into a prime (23220151010443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290251887591 + ... + 290251887670.

Almost surely, 2^{23220151010440} is an apocalyptic number.

23220151010440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220151010440 is an abundant number, since it is smaller than the sum of its proper divisors (29025188763140).

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

23220151010440 is a wasteful number, since it uses less digits than its factorization.

23220151010440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580503775272 (or 580503775268 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 23220151010440 its reverse (4401015102232), we get a palindrome (27621166112672).

The spelling of 23220151010440 in words is "twenty-three trillion, two hundred twenty billion, one hundred fifty-one million, ten thousand, four hundred forty".