154723571053 has 2 divisors, whose sum is σ = 154723571054. Its totient is φ = 154723571052.

The previous prime is 154723570997. The next prime is 154723571059. The reversal of 154723571053 is 350175327451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128939882724 + 25783688329 = 359082^2 + 160573^2 .

It is a cyclic number.

It is not a de Polignac number, because 154723571053 - 2³³ = 146133636461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154723571059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77361785526 + 77361785527.

It is an arithmetic number, because the mean of its divisors is an integer number (77361785527).

Almost surely, 2^154723571053 is an apocalyptic number.

It is an amenable number.

154723571053 is a deficient number, since it is larger than the sum of its proper divisors (1).

154723571053 is an equidigital number, since it uses as much as digits as its factorization.

154723571053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 154723571053 in words is "one hundred fifty-four billion, seven hundred twenty-three million, five hundred seventy-one thousand, fifty-three".