42123167700 has 72 divisors (see below), whose sum is σ = 121897927200. Its totient is φ = 11230857600.

The previous prime is 42123167689. The next prime is 42123167701. The reversal of 42123167700 is 776132124.

It is a super-2 number, since 2×42123167700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123167701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2601630 + ... + 2617770.

Almost surely, 2^42123167700 is an apocalyptic number.

It is an amenable number.

42123167700 is an abundant number, since it is smaller than the sum of its proper divisors (79774759500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42123167700 is a wasteful number, since it uses less digits than its factorization.

42123167700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24857 (or 24850 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 42123167700 its reverse (776132124), we get a palindrome (42899299824).

The spelling of 42123167700 in words is "forty-two billion, one hundred twenty-three million, one hundred sixty-seven thousand, seven hundred".