155750423 has 2 divisors, whose sum is σ = 155750424. Its totient is φ = 155750422.

The previous prime is 155750407. The next prime is 155750449. The reversal of 155750423 is 324057551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155750423 - 2⁴ = 155750407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155750423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155750453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77875211 + 77875212.

It is an arithmetic number, because the mean of its divisors is an integer number (77875212).

Almost surely, 2^155750423 is an apocalyptic number.

155750423 is a deficient number, since it is larger than the sum of its proper divisors (1).

155750423 is an equidigital number, since it uses as much as digits as its factorization.

155750423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 155750423 is about 12480.0009214743. Note that the first 3 decimals coincide. The cubic root of 155750423 is about 538.0340297616.

The spelling of 155750423 in words is "one hundred fifty-five million, seven hundred fifty thousand, four hundred twenty-three".