151355623 has 2 divisors, whose sum is σ = 151355624. Its totient is φ = 151355622.

The previous prime is 151355587. The next prime is 151355629. The reversal of 151355623 is 326553151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151355623 is a prime.

It is a super-2 number, since 2×151355623² = 45817049227436258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151355629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75677811 + 75677812.

It is an arithmetic number, because the mean of its divisors is an integer number (75677812).

Almost surely, 2^151355623 is an apocalyptic number.

151355623 is a deficient number, since it is larger than the sum of its proper divisors (1).

151355623 is an equidigital number, since it uses as much as digits as its factorization.

151355623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 31.

The square root of 151355623 is about 12302.6673124164. The cubic root of 151355623 is about 532.9251138825.

The spelling of 151355623 in words is "one hundred fifty-one million, three hundred fifty-five thousand, six hundred twenty-three".