423251019 has 24 divisors (see below), whose sum is σ = 620298432. Its totient is φ = 278071920.

The previous prime is 423250909. The next prime is 423251047. The reversal of 423251019 is 910152324.

423251019 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 423251019 - 2¹¹ = 423248971 is a prime.

It is a super-2 number, since 2×423251019² = 358282850169076722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423250983 and 423251001.

It is not an unprimeable number, because it can be changed into a prime (423251069) 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, 202152 + ... + 204234.

It is an arithmetic number, because the mean of its divisors is an integer number (25845768).

Almost surely, 2^423251019 is an apocalyptic number.

423251019 is a deficient number, since it is larger than the sum of its proper divisors (197047413).

423251019 is a wasteful number, since it uses less digits than its factorization.

423251019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 423251019 is about 20573.0653768465. The cubic root of 423251019 is about 750.8145337262.

The spelling of 423251019 in words is "four hundred twenty-three million, two hundred fifty-one thousand, nineteen".