1420023011 has 16 divisors (see below), whose sum is σ = 1587182688. Its totient is φ = 1259481600.

The previous prime is 1420022999. The next prime is 1420023029. The reversal of 1420023011 is 1103200241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420023011 is a prime.

It is a super-2 number, since 2×1420023011² = 4032930703539012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420023811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98795 + ... + 112251.

It is an arithmetic number, because the mean of its divisors is an integer number (99198918).

Almost surely, 2^1420023011 is an apocalyptic number.

1420023011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1420023011 is a deficient number, since it is larger than the sum of its proper divisors (167159677).

1420023011 is a wasteful number, since it uses less digits than its factorization.

1420023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13702.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1420023011 is about 37683.1926858646. The cubic root of 1420023011 is about 1123.9969359790.

Adding to 1420023011 its reverse (1103200241), we get a palindrome (2523223252).

It can be divided in two parts, 14200230 and 11, that added together give a palindrome (14200241).

The spelling of 1420023011 in words is "one billion, four hundred twenty million, twenty-three thousand, eleven".