19422123 has 16 divisors (see below), whose sum is σ = 31153920. Its totient is φ = 10514016.

The previous prime is 19422119. The next prime is 19422127. The reversal of 19422123 is 32122491.

It is an interprime number because it is at equal distance from previous prime (19422119) and next prime (19422127).

It is not a de Polignac number, because 19422123 - 2² = 19422119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19422093 and 19422102.

It is not an unprimeable number, because it can be changed into a prime (19422127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23940 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (1947120).

Almost surely, 2^19422123 is an apocalyptic number.

19422123 is a deficient number, since it is larger than the sum of its proper divisors (11731797).

19422123 is a wasteful number, since it uses less digits than its factorization.

19422123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48706.

The product of its digits is 864, while the sum is 24.

The square root of 19422123 is about 4407.0537777522. The cubic root of 19422123 is about 268.8018376300.

The spelling of 19422123 in words is "nineteen million, four hundred twenty-two thousand, one hundred twenty-three".