42123402022 has 16 divisors (see below), whose sum is σ = 68164688592. Its totient is φ = 19407515040.

The previous prime is 42123402019. The next prime is 42123402067. The reversal of 42123402022 is 22020432124.

It is a junction number, because it is equal to n+sod(n) for n = 42123401984 and 42123402002.

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, 1403833 + ... + 1433524.

It is an arithmetic number, because the mean of its divisors is an integer number (4260293037).

Almost surely, 2^42123402022 is an apocalyptic number.

42123402022 is a deficient number, since it is larger than the sum of its proper divisors (26041286570).

42123402022 is a wasteful number, since it uses less digits than its factorization.

42123402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837943.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42123402022 its reverse (22020432124), we get a palindrome (64143834146).

The spelling of 42123402022 in words is "forty-two billion, one hundred twenty-three million, four hundred two thousand, twenty-two".