425366623 has 32 divisors (see below), whose sum is σ = 515082240. Its totient is φ = 346721760.

The previous prime is 425366597. The next prime is 425366629. The reversal of 425366623 is 326663524.

It is not a de Polignac number, because 425366623 - 2⁹ = 425366111 is a prime.

It is a super-3 number, since 3×425366623³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425366629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513936 + ... + 514762.

It is an arithmetic number, because the mean of its divisors is an integer number (16096320).

Almost surely, 2^425366623 is an apocalyptic number.

425366623 is a deficient number, since it is larger than the sum of its proper divisors (89715617).

425366623 is a wasteful number, since it uses less digits than its factorization.

425366623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its digits is 155520, while the sum is 37.

The square root of 425366623 is about 20624.4181251254. The cubic root of 425366623 is about 752.0634277410.

It can be divided in two parts, 4253 and 66623, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 425366623 in words is "four hundred twenty-five million, three hundred sixty-six thousand, six hundred twenty-three".