23442156853123 has 2 divisors, whose sum is σ = 23442156853124. Its totient is φ = 23442156853122.

The previous prime is 23442156853121. The next prime is 23442156853139. The reversal of 23442156853123 is 32135865124432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23442156853123 - 2¹ = 23442156853121 is a prime.

Together with 23442156853121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23442156853121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721078426561 + 11721078426562.

It is an arithmetic number, because the mean of its divisors is an integer number (11721078426562).

Almost surely, 2^{23442156853123} is an apocalyptic number.

23442156853123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442156853123 is an equidigital number, since it uses as much as digits as its factorization.

23442156853123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 49.

The spelling of 23442156853123 in words is "twenty-three trillion, four hundred forty-two billion, one hundred fifty-six million, eight hundred fifty-three thousand, one hundred twenty-three".