1400023001 has 8 divisors (see below), whose sum is σ = 1525883520. Its totient is φ = 1276757712.

The previous prime is 1400022973. The next prime is 1400023007. The reversal of 1400023001 is 1003200041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400023001 - 2³⁰ = 326281177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400023007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647681 + ... + 649838.

It is an arithmetic number, because the mean of its divisors is an integer number (190735440).

Almost surely, 2^1400023001 is an apocalyptic number.

It is an amenable number.

1400023001 is a deficient number, since it is larger than the sum of its proper divisors (125860519).

1400023001 is a wasteful number, since it uses less digits than its factorization.

1400023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297615.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1400023001 is about 37416.8812302682. The cubic root of 1400023001 is about 1118.6950684679.

Adding to 1400023001 its reverse (1003200041), we get a palindrome (2403223042).

The spelling of 1400023001 in words is "one billion, four hundred million, twenty-three thousand, one".