1302666423 has 16 divisors (see below), whose sum is σ = 1745134560. Its totient is φ = 864331776.

The previous prime is 1302666371. The next prime is 1302666427. The reversal of 1302666423 is 3246662031.

It is not a de Polignac number, because 1302666423 - 2⁶ = 1302666359 is a prime.

It is a super-2 number, since 2×1302666423² = 3393879619223229858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302666427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019461 + ... + 1020737.

It is an arithmetic number, because the mean of its divisors is an integer number (109070910).

Almost surely, 2^1302666423 is an apocalyptic number.

1302666423 is a deficient number, since it is larger than the sum of its proper divisors (442468137).

1302666423 is a wasteful number, since it uses less digits than its factorization.

1302666423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 1302666423 is about 36092.4704474493. The cubic root of 1302666423 is about 1092.1385568327.

The spelling of 1302666423 in words is "one billion, three hundred two million, six hundred sixty-six thousand, four hundred twenty-three".