155426423 has 2 divisors, whose sum is σ = 155426424. Its totient is φ = 155426422.

The previous prime is 155426357. The next prime is 155426429. The reversal of 155426423 is 324624551.

It is a strong prime.

It is an emirp because it is prime and its reverse (324624551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155426423 - 2²⁴ = 138649207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155426423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155426429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77713211 + 77713212.

It is an arithmetic number, because the mean of its divisors is an integer number (77713212).

Almost surely, 2^155426423 is an apocalyptic number.

155426423 is a deficient number, since it is larger than the sum of its proper divisors (1).

155426423 is an equidigital number, since it uses as much as digits as its factorization.

155426423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 155426423 is about 12467.0133953566. The cubic root of 155426423 is about 537.6606887871.

The spelling of 155426423 in words is "one hundred fifty-five million, four hundred twenty-six thousand, four hundred twenty-three".