1623422542 has 16 divisors (see below), whose sum is σ = 2835520992. Its totient is φ = 682624800.

The previous prime is 1623422533. The next prime is 1623422551. The reversal of 1623422542 is 2452243261.

It is an interprime number because it is at equal distance from previous prime (1623422533) and next prime (1623422551).

It is a super-3 number, since 3×1623422542³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093209 + ... + 1094692.

It is an arithmetic number, because the mean of its divisors is an integer number (177220062).

Almost surely, 2^1623422542 is an apocalyptic number.

1623422542 is a deficient number, since it is larger than the sum of its proper divisors (1212098450).

1623422542 is a wasteful number, since it uses less digits than its factorization.

1623422542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187963.

The product of its digits is 23040, while the sum is 31.

The square root of 1623422542 is about 40291.7180323699. The cubic root of 1623422542 is about 1175.2867969305.

The spelling of 1623422542 in words is "one billion, six hundred twenty-three million, four hundred twenty-two thousand, five hundred forty-two".