42123535004 has 12 divisors (see below), whose sum is σ = 73735771200. Its totient is φ = 21056171808.

The previous prime is 42123535001. The next prime is 42123535019. The reversal of 42123535004 is 40053532124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123535001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381964 + ... + 1412115.

It is an arithmetic number, because the mean of its divisors is an integer number (6144647600).

Almost surely, 2^42123535004 is an apocalyptic number.

It is an amenable number.

42123535004 is a deficient number, since it is larger than the sum of its proper divisors (31612236196).

42123535004 is a wasteful number, since it uses less digits than its factorization.

42123535004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797852 (or 2797850 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 42123535004 in words is "forty-two billion, one hundred twenty-three million, five hundred thirty-five thousand, four".