724024423 has 2 divisors, whose sum is σ = 724024424. Its totient is φ = 724024422.

The previous prime is 724024409. The next prime is 724024463. The reversal of 724024423 is 324420427.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724024423 is a prime.

It is a super-2 number, since 2×724024423² = 1048422730200965858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 724024391 and 724024400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724024463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362012211 + 362012212.

It is an arithmetic number, because the mean of its divisors is an integer number (362012212).

Almost surely, 2^724024423 is an apocalyptic number.

724024423 is a deficient number, since it is larger than the sum of its proper divisors (1).

724024423 is an equidigital number, since it uses as much as digits as its factorization.

724024423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 724024423 is about 26907.7019271435. The cubic root of 724024423 is about 897.9477613572.

The spelling of 724024423 in words is "seven hundred twenty-four million, twenty-four thousand, four hundred twenty-three".