1501140023 has 2 divisors, whose sum is σ = 1501140024. Its totient is φ = 1501140022.

The previous prime is 1501139999. The next prime is 1501140037. The reversal of 1501140023 is 3200411051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1501140023 - 2²⁰ = 1500091447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1501139983 and 1501140010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1501140323) 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 as a sum of consecutive naturals, namely, 750570011 + 750570012.

It is an arithmetic number, because the mean of its divisors is an integer number (750570012).

Almost surely, 2^1501140023 is an apocalyptic number.

1501140023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1501140023 is an equidigital number, since it uses as much as digits as its factorization.

1501140023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1501140023 is about 38744.5483003738. The cubic root of 1501140023 is about 1145.0041692417.

Adding to 1501140023 its reverse (3200411051), we get a palindrome (4701551074).

The spelling of 1501140023 in words is "one billion, five hundred one million, one hundred forty thousand, twenty-three".