155351023 has 2 divisors, whose sum is σ = 155351024. Its totient is φ = 155351022.

The previous prime is 155350991. The next prime is 155351041. The reversal of 155351023 is 320153551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155351023 - 2⁵ = 155350991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155351093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77675511 + 77675512.

It is an arithmetic number, because the mean of its divisors is an integer number (77675512).

Almost surely, 2^155351023 is an apocalyptic number.

155351023 is a deficient number, since it is larger than the sum of its proper divisors (1).

155351023 is an equidigital number, since it uses as much as digits as its factorization.

155351023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 155351023 is about 12463.9890484548. The cubic root of 155351023 is about 537.5737319441.

The spelling of 155351023 in words is "one hundred fifty-five million, three hundred fifty-one thousand, twenty-three".