120155423 has 2 divisors, whose sum is σ = 120155424. Its totient is φ = 120155422.

The previous prime is 120155419. The next prime is 120155437. The reversal of 120155423 is 324551021.

It is a weak prime.

It is an emirp because it is prime and its reverse (324551021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120155423 - 2² = 120155419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120155443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60077711 + 60077712.

It is an arithmetic number, because the mean of its divisors is an integer number (60077712).

Almost surely, 2^120155423 is an apocalyptic number.

120155423 is a deficient number, since it is larger than the sum of its proper divisors (1).

120155423 is an equidigital number, since it uses as much as digits as its factorization.

120155423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 120155423 is about 10961.5429114701. The cubic root of 120155423 is about 493.4552708179.

The spelling of 120155423 in words is "one hundred twenty million, one hundred fifty-five thousand, four hundred twenty-three".