19496423 has 2 divisors, whose sum is σ = 19496424. Its totient is φ = 19496422.

The previous prime is 19496419. The next prime is 19496431. The reversal of 19496423 is 32469491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19496423 - 2² = 19496419 is a prime.

It is a super-2 number, since 2×19496423² = 760221019589858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19496473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9748211 + 9748212.

It is an arithmetic number, because the mean of its divisors is an integer number (9748212).

Almost surely, 2^19496423 is an apocalyptic number.

19496423 is a deficient number, since it is larger than the sum of its proper divisors (1).

19496423 is an equidigital number, since it uses as much as digits as its factorization.

19496423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 19496423 is about 4415.4753990935. The cubic root of 19496423 is about 269.1441716907.

The spelling of 19496423 in words is "nineteen million, four hundred ninety-six thousand, four hundred twenty-three".