542123543235 has 64 divisors (see below), whose sum is σ = 944574451200. Its totient is φ = 264565896192.

The previous prime is 542123543201. The next prime is 542123543239. The reversal of 542123543235 is 532345321245.

It is not a de Polignac number, because 542123543235 - 2⁸ = 542123542979 is a prime.

It is a super-2 number, since 2×542123543235² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542123543193 and 542123543202.

It is not an unprimeable number, because it can be changed into a prime (542123543239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1257036 + ... + 1632294.

It is an arithmetic number, because the mean of its divisors is an integer number (14758975800).

Almost surely, 2^542123543235 is an apocalyptic number.

542123543235 is a deficient number, since it is larger than the sum of its proper divisors (402450907965).

542123543235 is a wasteful number, since it uses less digits than its factorization.

542123543235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375460.

The product of its digits is 432000, while the sum is 39.

The spelling of 542123543235 in words is "five hundred forty-two billion, one hundred twenty-three million, five hundred forty-three thousand, two hundred thirty-five".