1400023 has 2 divisors, whose sum is σ = 1400024. Its totient is φ = 1400022.

The previous prime is 1400017. The next prime is 1400029. The reversal of 1400023 is 3200041.

It is a balanced prime because it is at equal distance from previous prime (1400017) and next prime (1400029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1399982 and 1400009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700011 + 700012.

It is an arithmetic number, because the mean of its divisors is an integer number (700012).

2^1400023 is an apocalyptic number.

1400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400023 is an equidigital number, since it uses as much as digits as its factorization.

1400023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1400023 is about 1183.2256758539. The cubic root of 1400023 is about 111.8695068202.

Adding to 1400023 its reverse (3200041), we get a palindrome (4600064).

The spelling of 1400023 in words is "one million, four hundred thousand, twenty-three".