1400523 has 8 divisors (see below), whose sum is σ = 1885248. Its totient is φ = 924744.

The previous prime is 1400507. The next prime is 1400527. The reversal of 1400523 is 3250041.

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

It is not a de Polignac number, because 1400523 - 2⁴ = 1400507 is a prime.

It is a super-2 number, since 2×1400523² = 3922929347058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400527) 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 in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (235656).

2^1400523 is an apocalyptic number.

1400523 is a deficient number, since it is larger than the sum of its proper divisors (484725).

1400523 is a wasteful number, since it uses less digits than its factorization.

1400523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1400523 is about 1183.4369438208. The cubic root of 1400523 is about 111.8828228147.

Adding to 1400523 its reverse (3250041), we get a palindrome (4650564).

It can be divided in two parts, 14005 and 23, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 1400523 in words is "one million, four hundred thousand, five hundred twenty-three".