151223375042723 has 4 divisors (see below), whose sum is σ = 151480995784440. Its totient is φ = 150965754301008.

The previous prime is 151223375042717. The next prime is 151223375042749. The reversal of 151223375042723 is 327240573322151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151223375042723 - 2⁶ = 151223375042659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151223375042783) 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, 128810369978 + ... + 128810371151.

It is an arithmetic number, because the mean of its divisors is an integer number (37870248946110).

Almost surely, 2^{151223375042723} is an apocalyptic number.

151223375042723 is a deficient number, since it is larger than the sum of its proper divisors (257620741717).

151223375042723 is an equidigital number, since it uses as much as digits as its factorization.

151223375042723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257620741716.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 151223375042723 in words is "one hundred fifty-one trillion, two hundred twenty-three billion, three hundred seventy-five million, forty-two thousand, seven hundred twenty-three".