1301663923 has 4 divisors (see below), whose sum is σ = 1487615920. Its totient is φ = 1115711928.

The previous prime is 1301663899. The next prime is 1301663947. The reversal of 1301663923 is 3293661031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3293661031 = 13421 ⋅245411.

It is an interprime number because it is at equal distance from previous prime (1301663899) and next prime (1301663947).

It is a cyclic number.

It is not a de Polignac number, because 1301663923 - 2¹³ = 1301655731 is a prime.

It is a super-3 number, since 3×1301663923³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301663953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92975988 + ... + 92976001.

It is an arithmetic number, because the mean of its divisors is an integer number (371903980).

Almost surely, 2^1301663923 is an apocalyptic number.

1301663923 is a deficient number, since it is larger than the sum of its proper divisors (185951997).

1301663923 is an equidigital number, since it uses as much as digits as its factorization.

1301663923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185951996.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 1301663923 is about 36078.5798362408. The cubic root of 1301663923 is about 1091.8583239541.

The spelling of 1301663923 in words is "one billion, three hundred one million, six hundred sixty-three thousand, nine hundred twenty-three".