23012422222440 has 128 divisors (see below), whose sum is σ = 79206736930560. Its totient is φ = 5239515316224.

The previous prime is 23012422222381. The next prime is 23012422222469. The reversal of 23012422222440 is 4422222421032.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23012422222398 and 23012422222407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53083227 + ... + 53514986.

It is an arithmetic number, because the mean of its divisors is an integer number (618802632270).

Almost surely, 2^{23012422222440} is an apocalyptic number.

23012422222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012422222440 is an abundant number, since it is smaller than the sum of its proper divisors (56194314708120).

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

23012422222440 is a wasteful number, since it uses less digits than its factorization.

23012422222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106598491 (or 106598487 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 23012422222440 its reverse (4422222421032), we get a palindrome (27434644643472).

The spelling of 23012422222440 in words is "twenty-three trillion, twelve billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred forty".