542672623 has 8 divisors (see below), whose sum is σ = 604836720. Its totient is φ = 483868800.

The previous prime is 542672579. The next prime is 542672633. The reversal of 542672623 is 326276245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542672623 - 2¹⁷ = 542541551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542672633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839728 + ... + 840373.

It is an arithmetic number, because the mean of its divisors is an integer number (75604590).

Almost surely, 2^542672623 is an apocalyptic number.

542672623 is a deficient number, since it is larger than the sum of its proper divisors (62164097).

542672623 is a wasteful number, since it uses less digits than its factorization.

542672623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680137.

The product of its digits is 120960, while the sum is 37.

The square root of 542672623 is about 23295.3347904682. The cubic root of 542672623 is about 815.6665218910. Note that the first 3 decimals are identical.

The spelling of 542672623 in words is "five hundred forty-two million, six hundred seventy-two thousand, six hundred twenty-three".