157152823 has 2 divisors, whose sum is σ = 157152824. Its totient is φ = 157152822.

The previous prime is 157152739. The next prime is 157152839. The reversal of 157152823 is 328251751.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157152823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157152893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78576411 + 78576412.

It is an arithmetic number, because the mean of its divisors is an integer number (78576412).

Almost surely, 2^157152823 is an apocalyptic number.

157152823 is a deficient number, since it is larger than the sum of its proper divisors (1).

157152823 is an equidigital number, since it uses as much as digits as its factorization.

157152823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 157152823 is about 12536.0609044468. The cubic root of 157152823 is about 539.6440532627.

The spelling of 157152823 in words is "one hundred fifty-seven million, one hundred fifty-two thousand, eight hundred twenty-three".