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1401432223 is a prime number
BaseRepresentation
bin101001110001000…
…0010100010011111
310121200001010121011
41103202002202133
510332231312343
6351021320051
746504656142
oct12342024237
93550033534
101401432223
1165a087854
12331406027
13194460649
14d41a6059
158307929d
hex5388289f

1401432223 has 2 divisors, whose sum is σ = 1401432224. Its totient is φ = 1401432222.

The previous prime is 1401432217. The next prime is 1401432257. The reversal of 1401432223 is 3222341041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1401432223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401432194 and 1401432203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401132223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700716111 + 700716112.

It is an arithmetic number, because the mean of its divisors is an integer number (700716112).

Almost surely, 21401432223 is an apocalyptic number.

1401432223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401432223 is an equidigital number, since it uses as much as digits as its factorization.

1401432223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1401432223 is about 37435.7078602769. The cubic root of 1401432223 is about 1119.0702911242.

Adding to 1401432223 its reverse (3222341041), we get a palindrome (4623773264).

The spelling of 1401432223 in words is "one billion, four hundred one million, four hundred thirty-two thousand, two hundred twenty-three".