1542912923 has 2 divisors, whose sum is σ = 1542912924. Its totient is φ = 1542912922.

The previous prime is 1542912901. The next prime is 1542913003. The reversal of 1542912923 is 3292192451.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3292192451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1542912923 - 2⁸ = 1542912667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1542912023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771456461 + 771456462.

It is an arithmetic number, because the mean of its divisors is an integer number (771456462).

Almost surely, 2^1542912923 is an apocalyptic number.

1542912923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542912923 is an equidigital number, since it uses as much as digits as its factorization.

1542912923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 1542912923 is about 39279.9302825247. The cubic root of 1542912923 is about 1155.5279965715.

The spelling of 1542912923 in words is "one billion, five hundred forty-two million, nine hundred twelve thousand, nine hundred twenty-three".