157202623 has 2 divisors, whose sum is σ = 157202624. Its totient is φ = 157202622.

The previous prime is 157202597. The next prime is 157202641. The reversal of 157202623 is 326202751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157202623 - 2²¹ = 155105471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157202591 and 157202600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157202693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78601311 + 78601312.

It is an arithmetic number, because the mean of its divisors is an integer number (78601312).

Almost surely, 2^157202623 is an apocalyptic number.

157202623 is a deficient number, since it is larger than the sum of its proper divisors (1).

157202623 is an equidigital number, since it uses as much as digits as its factorization.

157202623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 157202623 is about 12538.0470169800. The cubic root of 157202623 is about 539.7010496630.

The spelling of 157202623 in words is "one hundred fifty-seven million, two hundred two thousand, six hundred twenty-three".